Shaggy Rogers (voice)
Matthew Lillard
Muriel Bagge / Rich Old Lady (voice)
Thea White
Daphne Blake / Frau Glockenspiel (voice)
Grey DeLisle
Scooby-Doo / Fred Jones (voice)
Frank Welker
Velma Dinkley (voice)
Kate Micucci
The General / Self Help Book (voice)
Jeff Bennett
Katz / Le Quack / Narrator (voice)
Paul Schoeffler
Courage / Mr. McGill (voice)
Marty Grabstein
Eustice Bagge / Computer / Mayor of Nowhere (voice)
Jeff Bergman
The Lieutenant / Mr. Glockenspiel (voice)
Chuck Montgomery
Writer
Michael Ryan
Producer
Cecilia Aranovich
Director
Executive Producer
Sam Register
Characters
John R. Dilworth
Margaret M. Dean
Editor
Dave Courter
Original Music Composer
Andy Ezrin
Thanks
Joe Ruby
Jody Gray
Ken Spears